Chinese Academy of Sciences

Baidu Online Network Technology (beijing) Co., Ltd.

Beijing Baidu Netcom Science and Technology Co., Ltd.

Beijing Baidu Netcom Science Technology Co., Ltd

Baidu Online Network Technology Co., Ltd.

Yuqiang Liu

Zhe Peng

Guanbo Bao

Tao Sun

Lei Jia

Wenfu Wang

Ya Xu

Jingcai Liu

Kaida Zheng

Changxin Nai

Lu Dong

Fanyu Geng

Qifei Huang

Guangyuan Yao

A method of generating a 3D video, a method of training a neural network model, an electronic device, and a storage medium, which relate to a field of image processing, and in particular to technical fields of computer vision, augmented/virtual reality and deep learning. The method includes: determining, based on an input speech feature, a principal component analysis (PCA) coefficient by using a first network, wherein the PCA coefficient is used to generate the 3D video; correcting the PCA coefficient by using a second network; generating a lip movement information based on the corrected PCA coefficient and a PCA parameter for a neural network model, wherein the neural network model includes the first network and the second network; and applying the lip movement information to a pre-constructed 3D basic avatar model to obtain a 3D video with a lip movement effect.

Method of generating 3D video, method of training model, electronic device, and storage medium

A method and system for leakage status evaluation and leaks location of a solid waste land disposal facility. The method includes: arranging an off-site emitting electrode for the solid waste land disposal facility, and arranging a plurality of intra-site receiving electrodes on a solid waste pile surface in a grid shape; selecting a power supply to collect a current value between the off-site emitting electrode and each of the intra-site receiving electrodes respectively, and determining a maximum current value point Mn of the solid waste pile surface and a maximum current value An; selecting an off-site point So2, and measuring a current value between the off-site emitting electrode and the point So2 as a reference current Ab under the same power supply condition; and determining a leakage status of the solid waste land disposal facility based on a ratio of the maximum current value An to the reference current Ab.

Method and system for leakage status evaluation and leaks location of solid waste land disposal facility

The disclosure provides a method for generating a three-dimensional virtual image. The method includes: obtaining a face image to be processed and a three-dimensional reference model; obtaining a three-dimensional face model, face attribute information and face image information by inputting the face image to be processed into a trained neural network; obtaining a three-dimensional image model by performing a deformation process on the three-dimensional reference model based on the three-dimensional face model; and obtaining a target virtual image by adjusting the three-dimensional image model based on the face attribute information and the face image information.

Method and apparatus for generating three-dimensional virtual image, and storage medium

A method and apparatus for predicting a mouth-shape feature, and an electronic device are provided. A specific implementation of the method comprises: recognizing a phonetic posterior gram (PPG) of a phonetic feature; and performing a prediction on the PPG by using a neural network model, to predict a mouth-shape feature of the phonetic feature, the neural network model being obtained by training with training samples and an input thereof including a PPG and an output thereof including a mouth-shape feature, and the training samples including a PPG training sample and a mouth-shape feature training sample.

Method and apparatus for predicting mouth-shape feature, and electronic device

Growing community of inventors

Beijing, China

Yuqiang Liu